Home / 830,076.60-1,245,698.10-357,101.40

Finding the Fourth Proportional to 830,076.60, 1,245,698.10 and 357,101.40

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Solution

The fourth proportional to 830,076.60, 1,245,698.10 and 357,101.40 is: 535,902.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,076.60 : 1,245,698.10 = 357,101.40 : x
  2. Step 2: Convert to fraction form
    830,076.60/1,245,698.10 = 357,101.40/x
  3. Step 3: Cross multiply
    830,076.60x = 1,245,698.10 × 357,101.40
  4. Step 4: Simplify right side
    830,076.60x = 444,840,535,487.34
  5. Step 5: Solve for x
    x = 444,840,535,487.34/830,076.60
  6. Step 6: Final answer
    x = 535,902.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.